Methylin chewable tabletsPronunciation
Generic Name: methylphenidate (METH-il-FEN-i-date)
Brand Name: Methylin
Use Methylin chewable tablets with caution if you have a history of mental or mood problems, or alcohol or substance abuse or dependence. Abuse of Methylin chewable tablets may cause it to not work as well. Abuse may also lead to addiction and mental or mood changes. Do not suddenly stop using Methylin chewable tablets. Depression and other mental problems may occur. Your doctor should slowly lower your dose over a period of time if you need to stop using it.
Methylin chewable tablets are used for:
Treating attention deficit disorders (eg, attention deficit hyperactivity disorder [ADHD]). It is also used to treat uncontrollable periods of daytime sleep (narcolepsy). It may also be used for other conditions as determined by your doctor.
Methylin chewable tablets are a central nervous system stimulant. Exactly how it works is not known.
Do NOT use Methylin chewable tablets if:
- you are allergic to any ingredient in Methylin chewable tablets
- you have severe anxiety, agitation, or tension
- you have glaucoma
- you have motor tics (involuntary movements), Tourette syndrome, or a family history of Tourette syndrome
- you have serious heart problems (eg, heart defect, irregular heartbeat)
- you have trouble swallowing
- you are taking a monoamine oxidase inhibitor (MAOI) (eg, phenelzine) or have taken an MAOI within the past 14 days
Contact your doctor or health care provider right away if any of these apply to you.
Before using Methylin chewable tablets:
Some medical conditions may interact with Methylin chewable tablets. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have had an allergic reaction to dexmethylphenidate
- if you have a history of high blood pressure, heart problems (eg, heart failure, heart defects, fast or irregular heartbeat), blood vessel problems, or heart attack, or if a family member has a history of any of these problems or sudden death
- if you have a history of seizures or abnormal electroencephalograms (EEGs)
- if you have a history of an overactive thyroid, chronic fatigue, cystic fibrosis, narrowing of the esophagus, stomach or bowel problems (eg, blockage, inflammation, narrowing), or phenylketonuria
- if you have a history of mood or mental problems (eg, agitation, anxiety, bipolar disorder, depression, psychosis, tension), abnormal thoughts, hallucinations, suicidal thoughts or attempts, or alcohol or other substance abuse or dependence, or if a family member has a history of any of these problems
- if you have circulation problems in your hands or feet (eg, Raynaud phenomenon, thromboangiitis obliterans)
Some MEDICINES MAY INTERACT with Methylin chewable tablets. Tell your health care provider if you are taking any other medicines, especially any of the following:
- MAOIs (eg, phenelzine) because severe high blood pressure may occur
- Anticoagulants (eg, warfarin), certain anticonvulsants (eg, phenobarbital, phenytoin, primidone), phenylbutazone, selective serotonin reuptake inhibitors (SSRIs) (eg, fluoxetine), or tricyclic antidepressants (eg, imipramine) because the risk of their side effects may be increased by Methylin chewable tablets
- Medicines for high blood pressure (eg, guanethidine, metoprolol) because their effectiveness may be decreased by Methylin chewable tablets
This may not be a complete list of all interactions that may occur. Ask your health care provider if Methylin chewable tablets may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Methylin chewable tablets:
Use Methylin chewable tablets as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Methylin chewable tablets comes with an extra patient information sheet called a Medication Guide. Read it carefully. Read it again each time you get Methylin chewable tablets refilled.
- Take Methylin chewable tablets by mouth 30 to 45 minutes before eating unless your doctor tells you otherwise.
- Chew Methylin chewable tablets well before swallowing.
- Take Methylin chewable tablets with a full glass (8 oz [240 mL]) of water or other liquid.
- You may have trouble sleeping while taking Methylin chewable tablets. If this occurs, taking your last dose before 6 pm may help. Check with your doctor before you change the way that you take Methylin chewable tablets. If trouble sleeping continues, talk with your doctor.
- If you miss a dose of Methylin chewable tablets, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use Methylin chewable tablets.
Important safety information:
- Tell your doctor or dentist that you take Methylin chewable tablets before you receive any medical or dental care, emergency care, or surgery.
- Methylin chewable tablets may cause dizziness, drowsiness, or blurred vision. These effects may be worse if you take it with alcohol or certain medicines. Use Methylin chewable tablets with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Do NOT take more than the recommended dose without checking with your doctor.
- If you are taking Methylin chewable tablets for an attention deficit disorder, it should be used as a part of a treatment program that includes a variety of treatment measures (eg, psychological, educational, social).
- If your condition does not get better within 1 month or if it gets worse, check with your doctor.
- Heart attack, stroke, and sudden death have occurred in adults taking stimulant medicines. Sudden deaths have also occurred in children with heart defects or other serious heart problems. If you have a heart defect or other serious problem, talk with your doctor about other therapies to treat your condition.
- Methylin chewable tablets may cause a prolonged (more than 4 hours) or painful erection. This could happen even when you are not having sex. If this is not treated right away, it could lead to permanent sexual problems such as impotence. Contact your doctor right away if this happens.
- Methylin chewable tablets may cause circulation problems in the hands and feet. Tell your doctor if you have any numbness, pain, tingling, cold feeling, or skin color change (eg, from pale to blue or red) in your hands or feet. Call your doctor right away if you have any unexplained sores or wounds on your fingers or toes.
- Before you start any new medicine, check the label to see if it has a decongestant in it. If it does or if you are not sure, check with your doctor or pharmacist.
- If you take Methylin chewable tablets without enough liquid, it may swell and block your throat. Be sure to take Methylin chewable tablets with a full glass (8 oz [240 mL]) of water or other liquid. Do not take Methylin chewable tablets if you have trouble swallowing. If you take Methylin chewable tablets and then experience chest pain, vomiting, or trouble swallowing or breathing, seek medical care at once.
- Some of these products contain phenylalanine. If you must have a diet that is low in phenylalanine, ask your pharmacist if it is in your product.
- Lab tests, including blood pressure, heart function, complete blood cell counts, and platelet counts, may be performed while you use Methylin chewable tablets. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
- Methylin chewable tablets may affect growth rate and weight gain in CHILDREN and teenagers in some cases. They may need regular growth and weight checks while they take Methylin chewable tablets.
- Caution is advised when using Methylin chewable tablets in CHILDREN; they may be more sensitive to its effects, especially loss of appetite, stomach pain, weight loss, trouble sleeping, and fast heartbeat.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Methylin chewable tablets while you are pregnant. It is not known if this medicine is found in breast milk. If you are or will be breast-feeding while you use Methylin chewable tablets, check with your doctor. Discuss any possible risks to your baby.
When used for long periods of time or at high doses, Methylin chewable tablets may not work as well and may require higher doses to obtain the same effect as when originally taken. This is known as TOLERANCE. Talk with your doctor if Methylin chewable tablets stops working well. Do not take more than prescribed.
Some people who use Methylin chewable tablets for a long time may develop a need to continue taking it. People who take high doses are also at risk. This is known as DEPENDENCE or addiction. Do not suddenly stop taking Methylin chewable tablets. If you do, you may have WITHDRAWAL symptoms. These may include depression or other mental problems. If you need to stop Methylin chewable tablets, your doctor will lower your dose over time.
Possible side effects of Methylin chewable tablets:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur:
Dizziness; drowsiness; dry mouth; headache; indigestion; loss of appetite; nausea; nervousness; stomach pain; stuffy nose; trouble sleeping; vomiting; weight loss.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, throat, or tongue; joint pain; purple or brownish red spots on the skin; unusual hoarseness); blurred vision or other vision problems; chest, jaw, or arm pain; confusion; dark urine; decreased urination; fainting; fast, slow, or irregular heartbeat; fever, chills, or sore throat; hallucinations; muscle pain or weakness; new or worsening mental, mood, or behavior changes (eg, abnormal thoughts, aggression, agitation, anxiety, depression, hostility, irritability, panic attacks, persistent crying, restlessness, unusual sadness); one-sided weakness; seizures; severe or persistent dizziness or headache; shortness of breath; slurred speech; sudden, severe nausea or vomiting; suicidal thoughts or attempts; tremor; uncontrolled speech or muscle movements; unusual sweating; unusual tiredness or weakness; yellowing of the eyes or skin.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.Proper storage of Methylin chewable tablets:
Store Methylin chewable tablets at room temperature, between 68 and 77 degrees F (20 and 25 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Methylin chewable tablets out of the reach of children and away from pets.
- If you have any questions about Methylin chewable tablets, please talk with your doctor, pharmacist, or other health care provider.
- Methylin chewable tablets are to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information should not be used to decide whether or not to take Methylin chewable tablets or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Methylin chewable tablets. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Methylin chewable tablets. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Methylin chewable tablets.
Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.
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